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I’m building a low-cost, battery-powered smart cart that performs automated checkout by weighing items and identifying them with two medium-resolution (1280×720) RGB cameras. The core controller will be an ESP32, and the cart must remain within a ₹5,000–₹7,000 per-unit bill of materials. Key elements I already locked in: • ESP32 MCU • HX711 with a 0–5 kg load cell • 6-axis IMU for motion compensation • Two RGB cameras (no depth sensors) What I need from you is an end-to-end hardware design package: 1. Component selection that balances performance, availability and the tight cost ceiling. 2. Schematic creation in KiCad, followed by a compact two-layer (or persuasive alternative) PCB layout. 3. Complete, production-ready outputs: BOM with part numbers and vendors, Gerber/NC drill files, and assembly drawings. 4. Practical guidance on assembling and testing the first prototype—everything from soldering tips to firmware flashing hooks. If you have prior experience squeezing vision + sensing systems onto ESP32 or similar MCUs, please share a brief example when you reply along with your estimated turnaround time and cost for the above deliverables. Looking forward to collaborating and putting smart carts in shoppers’ hands.
ID do Projeto: 40140767
12 propostas
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Ativo há 22 dias
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12 freelancers estão ofertando em média ₹7.433 INR for esse trabalho

Hi there, I’ve carefully reviewed your requirements and I’m confident I can deliver an end-to-end hardware design package that meets your performance needs while staying within the ₹5,000–₹7,000 per-unit BOM target. I have hands-on experience designing low-cost, battery-powered ESP32 systems that integrate load cells (HX711), IMUs for motion compensation, and camera modules, with a strong focus on cost control, availability, and manufacturability. I can handle component selection, create clean schematics in KiCad, and deliver a compact two-layer PCB layout (or justify alternatives if needed), along with a complete production-ready package: BOM with vendors, Gerbers/NC drill files, and assembly drawings. I’ll also provide practical guidance for prototype assembly, testing, and firmware flashing to ensure a smooth first build. Feel free to message me so we can discuss timelines, costs, and next steps. Best regards, Samuel tshibangu
₹10.000 INR em 1 dia
6,3
6,3

Hey there! I’m Alok, A PCB, Circuit and Mechanical designer with a passion for turning ideas into rock-solid, high-performance circuit boards. even expert on Python, C, C++ With nearly a decade of experience, I’ve tackled everything from compact consumer gadgets to complex industrial systems—always with a focus on precision, efficiency, and reliability. # Schematic & Layout Design – Clean, optimized, and manufacturable. # Component Selection & Library Management – No surprises, just the right parts for the job. # Reverse Engineering – PCB cloning, replication, and improvements. # Gerber, BOM & CPL Generation – Ready for seamless production. # DFM & DFA Expertise – Because great design means smooth manufacturing. # Multi-Layer, Flex, & High-Density PCB Design – Whatever the project needs. If you need a PCB and Code that’s efficient, reliable, and built for real-world performance, let’s chat. I’d love to help bring your project to life!
₹5.500 INR em 3 dias
5,6
5,6

I can deliver a complete, cost-optimized hardware design for your ESP32-based smart cart within the ₹5,000–₹7,000 BOM target. This includes component selection, KiCad schematics, a compact 2-layer PCB, and full production-ready outputs (BOM, Gerbers, assembly docs), plus clear prototype assembly and testing guidance. I’ve previously designed ESP32 systems combining cameras, load cells (HX711), and IMUs under tight cost and power constraints. Let's discuss about the Project works.
₹5.600 INR em 12 dias
4,0
4,0

With deep knowledge in the realm of electrical engineering, essential expertise in embedded systems and a significant understanding of PCB layout, I believe I am the perfect fit for your ESP32 Smart Cart Hardware Design project. My background in mobile and web technologies also means that I'm well-versed in working with microcontrollers like the ESP32 – giving me an added advantage when it comes to squeezing vision + sensing systems into such platforms. To keep costs within your prescribed budget while running cutting-edge technology, a comprehensive understanding of component selection is crucial, and that's a proficiency I bring to the table. My strong attention to detail also ensures that the suggested parts will balance performance, availability and cost effectively. Having completed multiple projects necessitating complex hardware designs similar to this one, my clients have always appreciated not just my technical capabilities but also my ability to provide practical guidance. From firmware flashing hooks to assemble and test prototypes, I'll be your reliable partner at every stage. The turnaround time for this project would be [estimated turnaround time] and cost [estimated cost]. Let's get started on revolutionizing shopping together!
₹5.600 INR em 7 dias
2,8
2,8

Thank you for outlining this innovative and cost-sensitive smart cart project. This is an exciting hardware integration challenge. To meet your strict ₹5k-7k BOM target, I will focus on component optimization: selecting an ESP32-S3 variant for its better camera support and PSRAM, cost-effective OV2640 cameras (720p), and a power-efficient DC-DC architecture for the battery. The schematic and 2-layer PCB layout in KiCad will be designed for compactness and easy assembly, with clear test points for the load cell, IMU, and camera interfaces. I will provide a complete manufacturing package and a practical 'Bring-Up Guide' covering soldering, initial power tests, and firmware flashing. I have experience with similar ESP32-based vision systems and can share a relevant project overview. I estimate a 7-10 day turnaround for the full design package.
₹6.000 INR em 7 dias
2,9
2,9

I have strong expertise in electrical engineering, embedded systems, and PCB layout, with hands-on experience using ESP32 microcontrollers for vision and sensing integration. I can deliver high-performance designs within budget through smart component selection, balancing cost, performance, and availability. I’ve completed multiple complex hardware projects, earning client trust for both technical skills and practical guidance. From firmware flashing to prototype testing, I’ll support every stage. Estimated timeline: [estimated turnaround time], cost: [estimated cost]. Let’s create the future of smart shopping together.
₹5.000 INR em 7 dias
0,0
0,0

Hi Greetings from OSTronik India! We are a technology-driven company specializing in Power Electronics and Embedded System Design integrated with Artificial Intelligence (AI), delivering reliable, industrial-grade Electronic Solutions—from concept to mass production, all under one roof. Our in-house capabilities include R&D, Firmware Development (C & Python Programming), Hardware Design, Prototyping, and Scalable Mass Production with a focus on quality and cost efficiency. Core Expertise: • Microcontroller : PIC, STM32, ESP Family, AVR, Nuvoton, XBee. • Microprocessors: Raspberry Pi • Development Tools: MPLAB X IDE, Keil, STM32CubeIDE, Arduino IDE, Atmel Studio, VS Code. • Hardware Design: Industrial-grade multilayer PCBs using Altium Designer, KiCad, with efficient power design, isolation handling, and EMI/EMC compliance. • Communication Protocols: UART, SPI, I²C, CAN, Modbus, MQTT, LAN, S-Bus, RS-485, RS-232. • RF Modules: LoRa, nRF Series, XBee, Laird RF Modules. Project Capabilities: Power Monitoring & Energy Management Units, CNC Controllers, BLDC/DC Motor Control, IoT-based Agriculture, Smart Home & Industrial Automation, Inverters, Stabilizers, and Gimbal-based Videography Control Systems. We have already transformed the concept into a successful Electronic solution for multiple clients. To help you better visualise our expertise, we would be glad to share a brief reference video. Let’s schedule a meeting to discuss further. Best Regards, Team OSTronik India
₹7.000 INR em 7 dias
0,0
0,0

With a solid foundation in electrical engineering and a knack for creating innovative embedded systems, I see your project as an exciting challenge that aligns perfectly with my skill set. Over the course of my career, I have successfully developed, tested, and brought to life various electronic circuits and PCB layouts, delivering cost-efficient solutions without compromising performance. Moreover, my previous projects have required me to integrate vision and sensing systems onto microcontrollers reminiscent of the ESP32. The most recent project that comes to mind is a smart inventory management system where I incorporated camera-based object recognition into an Arduino-based solution. Assembling and testing the first prototype will be a smooth process for us as well; I can provide practical guidance on everything needed from soldering tips to firmware flashing hooks. In terms of turnaround time and cost, as someone diligent yet value-oriented, I assure you of my commitment to working within your stated budget and delivering the end-to-end hardware design package expeditiously. Let's collaborate on this transformative smart cart project, putting cutting-edge technology into shoppers' hands while ensuring a hassle-free checkout experience for all.
₹1.500 INR em 2 dias
0,0
0,0

Hello, I can deliver a full end-to-end hardware design package for your battery-powered smart cart using ESP32, dual RGB cameras, and an HX711 load cell. My Approach: Component Selection: Optimized for cost, availability, and performance within ₹5,000–₹7,000 per-unit BOM Schematic & PCB: Compact two-layer KiCad design with production-ready Gerber/NC drill files Documentation: Complete BOM with part numbers/vendors, assembly drawings, and practical prototype guidance Testing & Assembly Tips: Soldering, firmware flashing, and initial functional checks I have prior experience designing ESP32-based vision and sensing systems for low-cost IoT devices, including camera interfacing and sensor fusion for motion compensation.
₹9.000 INR em 10 dias
0,0
0,0

Pune, India
Membro desde jan. 12, 2026
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